Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 606 [Rate centres in NPA 606] [Dial plan for NPA 606]

NXX: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-392 A Mount Vernon KY GRTWKYMAJMD  4369 LEVEL 3 COMMUNICATIONS, LLC - KY 466      
606-392 0 Mount Vernon KY GRTWKYMAJMD  4369 LEVEL 3 COMMUNICATIONS, LLC - KY 466      
606-392 1 Mount Vernon KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2006-11-18   
606-392 2 Mount Vernon KY SMRTKYXANMD  698F TIME WARNER CBL INFO SV (KY) DBA TIME WARNER-KY 466   2007-05-08   
606-392 3 Mount Vernon KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2009-05-08   
606-392 4 Mount Vernon KY GRTWKYMAJMD  4369 LEVEL 3 COMMUNICATIONS, LLC - KY 466   2004-05-27   
606-392 5 Mount Vernon KY LXTNKY24X5Y  6500 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY 466   2022-03-31   
606-392 6 Mount Vernon KY MTVRKYAIRP0  9691 WINDSTREAM KENTUCKY EAST, INC. - LONDON 466   2012-04-02   
606-392 8 Mount Vernon KY   365C POWERTEL KENTUCKY LICENSES, INC. 466   2010-03-20   
606-392 9 Mount Vernon KY NCVLKYVSH01  365C POWERTEL KENTUCKY LICENSES, INC. 466   2006-03-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.